body {
    height: 10000px;
}

.dealt {
    margin: 20px auto 0 auto;
    width: 540px;
    border-radius: 5px;
    background-color: #fff;
    box-shadow: 0 0 5px 1px rgb(18, 219, 255);
    padding: 20px;
}

.dealt-list {
    margin-top: 20px;
    width: 100%;
    height: 40px;
}

.dealt-list input {
    width: 80%;
    height: 100%;
    padding-left: 10px;
    outline: none;
    border: none;
    border-bottom: 1px solid #12dbff;
}

.dealt-list input:focus {
    border-bottom: 3px solid #12dbff;
}

.dealt-list button {
    width: 80px;
    height: 40px;
    background-color: #12dbff;
    border: none;
    font-size: 30px;
    color: #fff;
    cursor: pointer;
}

.dealt-list-need {
    margin: 20px auto 0 auto;
    margin-top: 20px;
    width: 500px;
    height: 50px;
    position: relative;
    background-color: rgb(18, 219, 255);

}

.dealt-list-need p {
    display: inline-block;
    width: 90%;
    height: 100%;
    line-height: 50px;
    padding-left: 10px;
}

.dealt-list-need button {
    position: absolute;
    width: 50px;
    height: 50px;
    background-color: #d22a0c;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 30px;
}